Hakodate air quality · Hokkaido, Japan
Your lungs have an easier day when the air stays this clean
US AQI 8 (Good) in Hakodate, from 3 MOE Japan monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Hakodate
- PM2.5 · µg/m³1.5Under WHO limit
- NO₂ · µg/m³13.2Under WHO limit
- O₃ · µg/m³65.7
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Hakodate right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Air quality by area in Hakodate
2 stations, worst first- 深堀中学校Good11
- 北美原小学校Good6
Hakodate air quality history
Daily average, 16 days- 33average daily US AQI over 16 days
- 57worst day, 31 October
- 12cleanest day, 9 November
- 0days at Unhealthy or worse
The last 7 days averaged 28, better than the week before (35). 14 of the last 16 days were Good.
Nearby cities
Japan rankingHakodate air quality: common questions
What is the AQI in Hakodate right now?
The US AQI in Hakodate is 8 (Good), based on 3 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Hakodate today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
Which area of Hakodate has the worst air right now?
深堀中学校 has the highest reading at 11 (Good). 北美原小学校 has the lowest at 6, out of 2 stations reporting.
How has air quality in Hakodate been recently?
Over the last 16 days with data, Hakodate averaged US AQI 33. The worst day was 31 October at 57; the cleanest was 9 November at 12. 0 days were at Unhealthy or worse.
Where does Hakodate's air quality data come from?
From Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data, using 3 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: Ministry of the Environment, Japan · AEROS (soramame.env.go.jp) · preliminary data. Readings are published by the monitoring agency and may be revised.